● Drug response data provided by NCI60, quantified by -logGI50 [M] value which is the concentration required to inhibit the growth of an exposed cell line culture to 50% relative to the untreated control.

2.2 z-score

● Normalized -logGI50 data for chemicals as follows:

, where x is -logGI50 for a chemical, is the average of all chemicals; is the standard deviation of all chemicals.